1.      Âeligiannis Apostolos,  Ìia eisagwgh sthn basikh algebra
              https://repository.kallipos.gr/handle/11419/4847
	

         Âeligiannis  Apostolos,  Áskhseis basikis  algebras
             https://repository.kallipos.gr/handle/11419/6194

         
         Beligiannis Apostolos,  Istoselida mathimatos,  Akad. Etos   2013  - 2014
              http://users.uoi.gr/abeligia/AlgebraicStructuresI/ASI2013/ASI2013.html


         Marmaridis Nikolaos,  Proxwrhmenh Thewria Omadwn
             https://repository.kallipos.gr/handle/11419/3317